001package ca.uhn.fhir.fluentpath;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2017 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.util.List;
024
025import org.hl7.fhir.instance.model.api.IBase;
026
027public interface IFluentPath {
028
029        /**
030         * Apply the given FluentPath expression against the given input and return
031         * all results in a list
032         * 
033         * @param theInput The input object (generally a resource or datatype)
034         * @param thePath The fluent path expression
035         * @param theReturnType The type to return (in order to avoid casting)
036         */
037        <T extends IBase> List<T> evaluate(IBase theInput, String thePath, Class<T> theReturnType);
038
039        
040        
041}